Journal
INJURY-INTERNATIONAL JOURNAL OF THE CARE OF THE INJURED
Volume 43, Issue 11, Pages 1821-1826Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.injury.2012.07.188
Keywords
Trauma; Traumatic brain injury; Falls, Older people; Accidents; Injuries; Epidemiology; Hospitalisation
Funding
- NSW Ministry of Health
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Introduction: Traumatic brain injury is of particular concern in the older population. We aimed to examine the trends in hospitalisations, causes and consequences of TBI in older adults in New South Wales, Australia. Methods: TBI cases from 1 July 1998 to 30 June 2011 were identified from hospitalisation data for all public and private hospitals in NSW. Direct aged standardised admission rates were calculated. Negative binomial regression modelling was used to examine the statistical significance of changes in trend over time. Results: There were 12,564 hospitalisations for TBI over the 13 year study period. Hospitalisation rates for TBI among the older population increased by 7.2% (95% CI 6.4-8.0, p < .0001) per year from 19.3/100,000 to 72.2/100,000. Males had a consistently higher hospitalisation rate. Just under one third of all hospitalisations were for adults aged 85 years and over. Traumatic subdural haemorrhage (42.9%), concussive injury (24.1%) and traumatic subarachnoid haemorrhage (12.7%) were the most common type of injury. Falls were the most common cause of TBI (82.9%). Rates of fall-related TBI increased by 8.4% (95% CI 7.5-9.3, p < .001) per year, whilst non-fall related head injury increased by 2.1% (95% CI 0.9-3.3, p < .0001) per year. The majority of falls were as a result of a fall on the same level and occurred at home. 13% of hospitalisations resulted in death, and the majority occurred in those who sustained a traumatic subdural haemorrhage. Conclusions: The rapid increase in hospitalised TBI is being predominantly driven by falls in the oldest old and the greatest increase predominantly in intracranial haemorrhages, highlighting the need for future research to quantify the risk versus benefit of anticoagulant therapies. (C) 2012 Elsevier Ltd. All rights reserved.
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